--- a/includes/rijndael.php	Thu Jan 03 18:39:19 2008 -0500
+++ b/includes/rijndael.php	Wed Jan 16 13:55:49 2008 -0500
@@ -126,7 +126,7 @@
     $this->debug = $debug;
   }
   
-  function singleton($key_size, $block_size)
+  public static function singleton($key_size, $block_size)
   {
     global $_aes_objcache;
     if ( isset($_aes_objcache["$key_size,$block_size"]) )